List of top Electronics Technology Questions

A varactor diode is used in________________________ stage of a TV receiver.

Which of the following is not a feature of HDTV?

In TV transmission, aspect ratio is the ratio between:

Scanner is used to transfer images into digital form. (True/False)

A magnetron is used in_____________________.

The play time of a DVD is:

In a CD recorder, the stage that combines digital data with error control and sync word is:

Optical recording system needs a motor. (True/False)

HF biasing is used in________________________.
(Magnetic tape recording / DVD recording)

As compared to other storage media, a CD has lower signal-to-noise ratio. (True/False)

Ribbon tweeters are often used in place of horn loaded compression tweeters because:

Which of the following is not part of A to D Converter?

What is the frequency range of flute?

The loudspeaker driver used for low frequency range is called_____________________.

A moving coil microphone is also called:

Crystal microphones work based on:

Sound waves produced at the back of a loudspeaker are________________________ degrees out of phase with respect to sound waves produced in front.

Decibel is the unit used to measure sound intensity. (True/False)

Almost all the accidents usually occur due to lack of safety. (True/False)

Identify the picture.

Which of the following is not an occupational disease?

Maintenance and servicing of machines in large manufacturing industries are done:

In three-prong plugs, the third prong works as:

Damaged cables must be repaired or removed from service immediately. (True/False)

The process of identification of hazards in the workplace and their associated effect on health is called evaluation. (True/False)